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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Replicate
S
Replit Agent
A
ChatGPT Operator
B
Figma AI
A
TaglineRun any open-source AI model with an API call.Replit's AI that builds + deploys full apps on their platform.OpenAI's browser agent. Clicks and types on websites for you.AI features baked into the design tool you already use.
CategoryDev PlatformCodingAgentsDesign
PricingPay per second of compute$10-$25/mo Core/TeamsIncluded with ChatGPT Pro $200/moIncluded with Figma plans
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Teachers, students, prototypers, hackathon builders.Power users willing to pay $200/mo for a browser bot.Designers already on Figma.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Features vary by plan + region
  • Still rolling out
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. Best for teaching a kid to code in 2026.B-tier. Still early. Manus is more flexible for less money.A-tier. No reason not to use it if you're on Figma. Not worth switching for.
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